Heater problem, vacuum lines??? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-29-2008, 04:14 AM   #1
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Default Heater problem, vacuum lines???

Ok, I have a '92 SE stock. The heat works, just it has a loud almost roaring sound when its on and everytime i turn the **** to a different vent, i.e. vent to defrost, it makes an akward hissing sound. I can feel the heat, but very barely even when on full blast. I have a slight idea as to what i should do, just I dont know where to start or what to buy to replace what ever it is i am looking for. Please help
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